Following description is from www.bat.org website:

 

"BatMUD, the medieval themed fantasy role-playing game was brought to life in 1990, and has since then grown to be a most fascinating, long lasting and entertaining experience; no matter if you were a hardcore minmaxer or a merchant character with pure wanderlust. We welcome you to enjoy the game which utilizes the world's most sophisticated graphics engine - Your own imagination."

 

Please visit http://www.bat.org/ for more information about BatMUD.

 

You can download BatMUD Data Viewer from Google Play for Android or from Windows Phone Store for Windows Phone 8.1.